Concrete-insert.



V x F1131 y 1 15.2

I}. W. BROOKS.

CONCRETE INSERT.

APPLICATION FILED JULY 3:.1911.

1,267, 1 78, Patented May 2!, 1918.

It is to be nnderstood that all matter porting flanges forming anelongated slot herein set forth or shown in the accompanywith anenlarged opening at one end, a ing drawings is to be interpreted asillnsheaded attachment member for insertion trative and not in alimiting means. through said end opening, and a locking 5 I claim as myinvention: deviceassembled with said attachment mem- 1. In a device ofthe character described, her for insertion therewith and adapted by incombination, a hanger having a recess coiiperatlon with the end wall ofsaid opentherein and supporting flanges in said remg to retain theattachment member in opcess, n11 attaching member adapted to en-v crative position upon said flanges; 10 gage said flanges, and acooperating de- 5.. The combination with an insert for ormable lockingplate assembled therewith concrete construction comprising a hollow formovement into said recess, said plate bebody portion with internalsupporting in deformable within said recess to lock flanges and providedwith an entrance passaid attaching member therein. I s e for a headedattachment member, of a 16 2. In'a device of the character described,lot in member adaptedto be inserted with the combination of a hangerhaving a rea hea ed attachmentm mber andinterposed cess therein andsupporting flanges in said between said member and said flanges andrecess,a headed attachment mem er adaptthere to be deformed to retainsaid attached to engage said flanges and a waved lockment member inoperative position upon the 20 ing plate movable into said recess withsaid flanges;

attachment member and ada ted to be 6. The combination with an insertfor confbrced against said flanges and t ercby eloncrete constructioncomprisin a hollow body ted to form a lockin means by coiiperaportionwith internal supper ing flanges and ion with a wall of said ianger.rovided with an entrance passage for a 25 3. A concerete insertcomprising a hollow leaded attachment member, of a slotted body portionprovided with internal suplockin plate having means to engage theporting flanges vforming an elonga slot head said attachment member andadaptwith an enlarged opening at one end or the ed to be insertedtherewith and interposed insertion of an attachment member,deformbetween the said member and said flanges to 30 able lockin meansresting upon said flanges retain said attachment member upon the and ahen ed attachment member ada ted flangesby cooperation with an end wallof when drawn down to deform said 10c 'ng the insert. e means and beretained in operative position In testimony whereof, I have signed mythereby. name to this specification this 30th day of a5 4. A concreteinsert comprising a hollow July, 1917." body portion provided withinternalsup- DAVID W. BROOKS.

